Glass long-stem funnels for filter paper are funnels that have a beaded rim and heavy wall for strength. The filter angle permits accurate fitting of the filter paper, thus reducing filtering time. The funnels come in four sizes.
Funnels have a beaded rim and heavy wall for strength. Formed to a 60º angle, which permits accurate fitting of the filter paper, thus reducing filtering time.
Specifications
Top inner diameter: 100 mm. Filter paper size: 18.5 cm. Stem outer diameter: 9 mm.
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